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Finding the Fourth Proportional to 440,046, 607,276.44 and 238,854.96

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Solution

The fourth proportional to 440,046, 607,276.44 and 238,854.96 is: 329,626.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,046 : 607,276.44 = 238,854.96 : x
  2. Step 2: Convert to fraction form
    440,046/607,276.44 = 238,854.96/x
  3. Step 3: Cross multiply
    440,046x = 607,276.44 × 238,854.96
  4. Step 4: Simplify right side
    440,046x = 145,050,989,785.14
  5. Step 5: Solve for x
    x = 145,050,989,785.14/440,046
  6. Step 6: Final answer
    x = 329,626.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.